mac80211: convert to %pM away from print_mac

Also remove a few stray DECLARE_MAC_BUF that were no longer
used at all.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index 139b5f2..d27ef7f 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -206,13 +206,11 @@
 			 * on the previous queue
 			 * since HT is strict in order */
 #ifdef CONFIG_MAC80211_HT_DEBUG
-			if (net_ratelimit()) {
-				DECLARE_MAC_BUF(mac);
+			if (net_ratelimit())
 				printk(KERN_DEBUG "allocated aggregation queue"
-					" %d tid %d addr %s pool=0x%lX\n",
-					i, tid, print_mac(mac, sta->sta.addr),
+					" %d tid %d addr %pM pool=0x%lX\n",
+					i, tid, sta->sta.addr,
 					local->queue_pool[0]);
-			}
 #endif /* CONFIG_MAC80211_HT_DEBUG */
 			return 0;
 		}